﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace WSDZ.KM.ZH.SalInvoiceDownloadFile6
{
  public class UtilityManager
    {
        public static string GetFourNum()
        {
            Random rd = new Random();
            return $@"{rd.Next(0,10)}{rd.Next(0, 10)}{rd.Next(0, 10)}{rd.Next(1, 10)}";
        }
    }
}
